Re: broken parsing with $((`:`))

[Bart Schaefer <schaefer@xxxxxxxxxxxxxxxx>]

On Apr 15,  4:37pm, Peter Stephenson wrote:
} Subject: Re: broken parsing with $((`:`))
}
} > } +    if (!*s || *s == Nularg) {
} > 
} 
} - We look for Nularg in a string and skip over the character because
}   ditto (we could have made the math.c cases follow this form);

Hmm.

Src/pattern.c:571:           * Empty metafied strings have an initial Nularg.

Maybe we NEED to have the math.c case follow this form.  *s == Nularg
is not the same as !*s if there can be something non-null as s[1].